Lock



FIG. 1 is a front perspective view of a lock showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is rear elevational view thereof;

FIG. 4 is left side elevational view thereof;

FIG. 5 is s right side lavational view thereof;

FIG. 6 is atop plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is an enlarged front perspective view of a lock shown in FIG. 1;

FIG. 9 is a front elevational view of FIG. 8;

FIG. 10 is a rear elevational view of FIG. 8;

FIG. 11 is a right side elevational view FIG. 8;

FIG. 12 is a left side lavational view FIG. 8;

FIG. 13 is a top plan view of FIG. 8; and,

FIG. 14 is a bottom plan view FIG. 8.

The shade lines adjacent to the broken lines define the boundary of the claimed design. Other broken lines indicate the disclaimed portions and environment of the design. None of the broken lines form part of the claimed design. 

CLAIM I claim the ornamental design for a lock, as shown and described. 